Harry Potter: Spells is an amazing experience from Warner Brothers for the iPhone that is probably worth getting for the sheer nerd factor of having a wizard duel with your friends in real time. Complex gestures will translate into spells that will harm your opponent and protect you from danger, making dueling a match of wits and accuracy that will have you waving your iPhone around till your arm hurts.
Spells are activated by holding the iPhone much like a wand, then holding your thu…